The area of a square abcd is 7cm show that x2 + 4x = 3

Charlie tosses five coins.what is the probability that all five coins will land tails up.

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20